Upcoming Regulations for Drinking Water

Regulations in process or planned

Other active projects related to development or review of regulations

  • Perchlorate MCL Review: The review of the perchlorate MCL has been completed to determine whether it should be revised in response to the 2015 public health goal. For a summary of the review and more about perchlorate, follow this link.
  • Unregulated Contaminants for which Monitoring is Required: DDW staff are gathering information for the development of a new unregulated contaminant monitoring regulation (UCMR). UCMR regulations have been used in the past by California's Drinking Water Program (now DDW) to gather extensive information on the scope and concentration of contaminants of concern prior to proposing drinking water standards for those contaminants.
  • Direct Potable Reuse: The report to the Legislature regarding the feasibility of developing Direct Potable Reuse (DPR) criteria was submitted in December 2016. Work continues on DPR.  Follow this link for more information.
  • MCL Review: To meet requirements of the Health and Safety Code Section 116365(g), each year the State Water Board identifies the MCLs it intends to review. Follow this link for a summary of the most recent review.

Other Regulations of Interest

Upcoming Federal Rules

Pertinent Links

Additional Information

For more information, contact Melissa Hall via email at: Melissa.Hall@waterboards.ca.gov.

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  (Page last updated 8/23/18)